Yemeni civilians shuddered in fear and bristled with anger under an intense Saudi-led bombing campaign against Shiite rebels on Tuesday, day six of fighting that prompted international aid organizations to express alarm over high civilian casualties from the strikes and violence roiling the country.

A Saudi-led coalition is targeting Shiite rebels and their allies in Yemen in a campaign of airstrikes that began last week. Here's a look at the Sunni Arab countries involved in the fighting so far, as well as others offering material support or...

South Korea chose a state-run aircraft maker on Monday as the sole preferred bidder for a contract to develop a midlevel fighter jet with the help of Lockheed Martin Corp. in the country's biggest-ever weapons development project.
The deal worth $7.8...

The Swedish Air Force and NATO jets on Tuesday tracked four Russian combat aircraft flying with their transponders turned off over the Baltic Sea, officials said.
The Russian planes — two long-range, nuclear-capable Tu-22M3 bombers and two Sukhoi...

Libya's army chief, Gen. Khalifa Hifter, warned in an interview with The Associated Press on Thursday that Europe will face infiltration by Islamic State group militants from Libya if the West fails to support his forces with arms and ammunition.
The...

Syrian state media said the country's air defenses shot down a U.S. reconnaissance aircraft Tuesday in a northwestern province along the Mediterranean coast.
A U.S. official said a U.S. Predator drone went down in Syria, but it's not clear whether it was shot down. The official, who spoke on condition of anonymity because the Pentagon had not yet announced the loss, said U.S. officials were trying to determine why operators of the drone lost control of it.
Syria's SANA state news agency said the...

A Pentagon official confirmed the U.S. military lost contact with an unarmed Predator drone Tuesday while it was flying above northwestern Syria, but could not corroborate reports that the aircraft was shot down by President Bashar Assad’s air defenses.
The official, who was not authorized to speak publicly on the matter, said that U.S. forces lost contact with the drone about 1:40 p.m. Eastern time and that the reason for its disappearance was being investigated.
The incident marks the first...

China has overtaken Germany to become the world's third-biggest arms exporter, although its 5 percent share remains small compared to the combined 58 percent of exports from the U.S. and Russia, a new study says.
China's share of the global arms market rose 143 percent from 2010 to 2014, a period during which the total volume of global arms transfers rose by 16 percent over the previous five years, the Stockholm International Peace Research Institute said in a report released Monday.
Its share of the...

A senior Myanmar official on Sunday denied Chinese accusations that one of his country's warplanes crossed China's border and dropped a bomb that killed four farmers during fighting with Myanmar rebels.
The official, from Myanmar's presidential office, said his government regretted the deaths and suggested it could have been the work of a group seeking to create confusion. He also promised "full cooperation" with Beijing into the incident, which has tested generally good ties that have been strained in...

China sent fighter jets to its border with neighboring Myanmar on Saturday and lodged a diplomatic protest after it said a Myanmar warplane dropped a bomb on Chinese territory, killing four people.
The incident occurred as the Myanmar government stepped up its fight against ethnic Chinese rebels in the country's Kokang region along China's southwestern border. The upsurge in fighting in recent weeks has sent thousands of people fleeing across the border into China's Yunnan province.
Newspapers in...

American refueling planes rumble into the air from this desert air base around the clock to top up coalition aircraft bombing Islamic State militants, whether they're Arab fighters flying out of regional bases or French warplanes catapulted off an aircraft carrier in the Persian Gulf.
The al-Udeid Air Base in Qatar is the regional nerve center for the air war against the militants who have taken over nearly a third of Iraq and Syria. That makes it the main hub for coordinating warplanes from the U.S. and...